The chassis process (chassisd) detected an underflow or overflow error on the indicated F chip on the indicated Control Board (CB).
The problem related to this syslog message is described in the following sections:
An error similar to the following is reported:
Fchip (CB <control-board-slot>, ID <fchip-id>): ftoken overflow/underflow set (<data>) at <address>.
This message may indicate an error with the FChip.
Examine the following output to help determine the cause of this message:
show chassis fabric sibs
show log messages
target spmb0 show nvram
target spmb0 show sib fchips all
target spmb0 show syslog messages
target spmb1 show nvram
target spmb1 show sib fchips all
target spmb1 show syslog messages
Look for any related events that occurred at or just before the CHASSISD_FASIC_FTOKEN_ERROR message.